On 1/4/06, Alvin Wang <[EMAIL PROTECTED]> wrote: > > The code is still being cleaned up and commented. Actual documentation > will come later. Python-hosting has offered a Trac for it so it will > be scaffolding.python-hosting.com. I am hoping to have it up this > weekend. There is a big deadline at work. It is still 0.1. > > There a few differences. Scaffolding does not use Identity because it > supports user ownership and group ownership based roles. The datamodel > is similar to Identity but supports role expiry and ownership. > > Modules are called Boards and follow a specification. By inheriting > all the data structures are a base set that can be expanded, the data > supports ownership and time expiry. The Boards inherit from a class > similar to the data controller but with more functions. Whereas > datacontroller supports one class at a time, the Board class provides > CRUD for a tree, node, and element structures. I will have time based > structures working soon. > > All Boards are required to have an init function that will add all the > default roles and configuration into the database. All boards are by > default ready to go with. This opens up an interesting possibility. > You could quickstart a Scaffolding project. Easy_install the boards > that you need. As you start the application, all the data will be > initialized. The default controller has default function that uses the > __import__ recipe in the python cookbook. The CMS would be ready to > go. You can change your security and default Board names throught the > admin screens. No coding necessary. > > What is working now? The basic Board, controllers are working. I have > the import trick mostly working. Security does what I want it to do > but not everything that identitity does. I have been running > Scaffolding in site-packages so it is fairly well broken out from my > stuff. It supports email output and configurable grid like my previous > code releases. It is not ajax. That will come after the integration > of client side javascript error detection. Lightweight round trips is > fast but no roundtrips is faster. :) > > A lot of people will probably question my design decisions. I have > certain projects in mind. Some things about TG bug me. It seems like > KID bothers a lot of people. I don't mind Kid. Mochikit and Cherrypy > are awesome. > > <rant> SQLobject bothers me. I have been reading the mailing list and > it seems like the solution to a lot of problems is to go directly to > the database and bypass SQLObject. This makes the code less portable. > By encapsulating SQLObject, I probably make it even more inefficient > but it makes me feel better to know that I can work my way around > SQLObject later if necessary. I am not bypassing SQLObject currently > but it is nice to know I have the option when I hit a performance wall. > > I think the way to get the nice syntax of SQLObject and good relational > performance is to extend Catwalk. If Catwalk or another data modelling > tool created the classes and SQL to create the databases, it should be > passible to get around some of the issues. I think that SQLObject is > taking the easy route to abstraction by moving transactions into the > python code instead of leaving it in the database. If Catwalk could > operate like Framework manager in Cognos, it would be the best of both > worlds. Python Objects/Relational Speed. > > What would really be nice would be if I could insert intelligence into > SQLobject so it if the database was say Mysql 5, it would use the > stored procedure that I wrote. There are some use cases where I have > been able to get 30-100x more performance by using a stored procedure. > For an open source project, I would like to give people the option of > using any database but it would be fine tuned for the one I am using. > > While I am dreaming, python can be used in postgresql to write stored > procedures. Iron Python can probably do the same in SQL Server. > > </rant> > > Questions > I don't want Scaffolding to sit in the TG is changing so fast. Can I > extend Quickstart with a template in a different directory? > > Thanks Alvin > >
Yes. You can extend Quickstart to add more files to it http://trac.turbogears.org/turbogears/wiki/ExtendingQuickstart -- cheers elvelind grandin
